Home / 3,175.16-4,383.25-2,114.71

Finding the Fourth Proportional to 3,175.16, 4,383.25 and 2,114.71

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Solution

The fourth proportional to 3,175.16, 4,383.25 and 2,114.71 is: 2,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.16 : 4,383.25 = 2,114.71 : x
  2. Step 2: Convert to fraction form
    3,175.16/4,383.25 = 2,114.71/x
  3. Step 3: Cross multiply
    3,175.16x = 4,383.25 × 2,114.71
  4. Step 4: Simplify right side
    3,175.16x = 9,269,286.36
  5. Step 5: Solve for x
    x = 9,269,286.36/3,175.16
  6. Step 6: Final answer
    x = 2,919.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.